Manhattan, present day: Ella Hawthorne thinks she's going crazy when she hears strange noises coming from the walls of her new apartment late at night. When she discovers that it used to be home to a speakeasy during the Jazz age, she's determined to discover the building's secrets. Manhattan, 1924: Geneva 'Gin' Kelly, a smart-mouthed, red-haired flapper, reluctantly agrees to help rugged Prohibition enforcement agent, Oliver Anson, catch her stepfather, a notorious bootlegger. But the truth will shake Manhattan society to its foundations...